Ka ngwa eletrọnịkị na-adịwanye mgbagwoju anya, a na-achọkwu ngwa ngwa, na-ebute sekit na ngwa ngwa na PCB.N'otu oge ahụ, mma chọrọ nke PCB elu ugbu njikọ na-mma.Amass PCB elu ugbu a njikọ adopts red ọla kọpa kọntaktị na ọlaọcha plating oyi akwa, nke ukwuu mma ugbu a na-ebu arụmọrụ nke PCB elu ugbu njikọ, na diversified echichi ụzọ nwere ike izute echichi mkpa nke dị iche iche ahịa.